Finding the Fourth Proportional to 5,651,863.14, 7,799,775.78 and 3,237,881.70
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Solution
The fourth proportional to 5,651,863.14, 7,799,775.78 and 3,237,881.70 is: 4,468,393.99
Step by Step Solution
- Step 1: Write the proportion equation
5,651,863.14 : 7,799,775.78 = 3,237,881.70 : x - Step 2: Convert to fraction form
5,651,863.14/7,799,775.78 = 3,237,881.70/x - Step 3: Cross multiply
5,651,863.14x = 7,799,775.78 × 3,237,881.70 - Step 4: Simplify right side
5,651,863.14x = 25,254,751,262,165.23 - Step 5: Solve for x
x = 25,254,751,262,165.23/5,651,863.14 - Step 6: Final answer
x = 4,468,393.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.